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Date:      Sat, 27 Jan 2007 02:12:11 -0000
From:      John Baldwin <jhb@freebsd.org>
To:        Pawel Worach <pawel.worach@gmail.com>
Cc:        cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/sys/dev/bce if_bce.c src/sys/dev/em if_em.c if_em.h src/sys/dev/mpt mpt.h mpt_pci.c
Message-ID:  <200701081405.46305.jhb@freebsd.org>
In-Reply-To: <455F21BC.1010208@gmail.com>
References:  <200611152004.kAFK4vfe058983@repoman.freebsd.org> <d227e09e0611161228l34af85a1w9eff8cbffe3edf8c@mail.gmail.com> <455F21BC.1010208@gmail.com>

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On Saturday 18 November 2006 10:07, Pawel Worach wrote:
> Pawel Worach wrote:
> >> So em triggered an interrupt and you got an NMI out of it instead.  What
> >> does 'show lapic' show?
> >>
> > 
> > db> show lapic
> > lapic ID = 0
> > version  = 1.4
> > max LVT  = 5
> > SVR      = ff (enabled)
> > TPR      = 00
> > In-service Interrupts:
> > TMR Interrupts:
> > IRR Interrupts:
> > 
> 
> I reverted MSI support from em(4) just to see what would happen to 
> mpt(4), no NMI fires but mpt hardware seems to go off to la-la land.

Can you verify that the following disables MSI for your system:

Index: pci.c
===================================================================
RCS file: /usr/cvs/src/sys/dev/pci/pci.c,v
retrieving revision 1.331
diff -u -r1.331 pci.c
--- pci.c	28 Dec 2006 06:14:42 -0000	1.331
+++ pci.c	8 Jan 2007 19:04:50 -0000
@@ -178,6 +178,13 @@
 	{ 0x02001166, PCI_QUIRK_MAP_REG,	0x90,	 0 },
 
 	/*
+	 * MSI doesn't work with the ServerWorks CNB20-HE Host Bridge
+	 * or the CMIC-SL (AKA ServerWorks GC_LE).
+	 */
+	{ 0x00141106, PCI_QUIRK_DISABLE_MSI,	0,	0 },
+	{ 0x00171106, PCI_QUIRK_DISABLE_MSI,	0,	0 },
+	
+	/*
 	 * MSI doesn't work with the Intel E7501 chipset, at least on
 	 * the Tyan 2721 motherboard.
 	 */

-- 
John Baldwin
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